<template xlang="wxml">
	<view class="tki-tree">
		<view class="tki-tree-mask" :class="{'show':showTree}" @tap="_cancel"></view>
		<view class="tki-tree-cnt" :class="{'show':showTree}">
			<view class="tki-tree-bar">
				<view class="tki-tree-bar-cancel" :style="{'color':cancelColor}" hover-class="hover-c" @tap="_cancel">取消
				</view>
				<view class="tki-tree-bar-title" :style="{'color':titleColor}">{{title}}</view>
				<view class="tki-tree-bar-confirm" :style="{'color':confirmColor}" hover-class="hover-c"
					@tap="_confirm">确定</view>
			</view>
			<view class="tki-select">

				<uni-tag v-for="(item,index) in selectPerson" :key="index" :text="item.fStaffName" :circle="true"
					type="primary" @click="setInverted(index)" style="text-align: center;margin: 10upx ;" />

			</view>
			<view class="tki-tree-view">
				<scroll-view class="tki-tree-view-sc" :scroll-y="true">
					<block v-for="(item, index) in treeList" :key="index">
						<view class="tki-tree-item" :style="[{
							paddingLeft: item.rank*15 + 'px',
							zIndex: item.rank*-1 +50
						}]" :class="{
							border: border === true,
							show: item.show,
							last: item.lastRank,
							showchild: item.showChild,
							open: item.open,
						}">
							<view class="tki-tree-label" @tap.stop="_treeItemTap(item, index)">
								<image class="tki-tree-icon"
									:src="item.lastRank ? lastIcon : item.showChild ? currentIcon : defaultIcon">
								</image>
								{{item.name}}
							</view>

						</view>
					</block>
				</scroll-view>
				<scroll-view class="tki-tree-view-sc" :scroll-y="true">
					<!-- <block v-for="(item, index) in treeList" :key="index">
					</block> -->
					<!-- fId -->
					<tki-trees @sonTate="state" ref="tkitreeArr" idKey="fId" :selectParent="selectParents"
						:multiple="multiples" :range="personListArr" :foldAll="flods" rangeKey="fStaffName"
						@confirm="treeConfirms" @cancel="treeCancels" :selectId="selectId" :name="name"></tki-trees>
				</scroll-view>
			</view>
		</view>
	</view>
</template>

<script>
	// tki-treeArr
	import tkiTrees from '@/components/tki-treewoker/tki-tree.vue';
	import uniTag from '@/components/uni-tag/uni-tag.vue';
	export default {
		name: "tki-tree",
		props: {
			range: {
				type: Array,
				default: function() {
					return []
				}
			},
			idKey: {
				type: String,
				default: 'id'
			},
			name: {
				type: String,
				default: ''
			},
			rangeKey: {
				type: String,
				default: 'label'
			},
			title: {
				type: String,
				default: ''
			},
			multiple: { // 是否可以多选
				type: Boolean,
				default: false
				// default: true
			},
			selectParent: { //是否可以选父级
				type: Boolean,
				default: false
			},
			foldAll: { //折叠时关闭所有已经打开的子集，再次打开时需要一级一级打开
				type: Boolean,
				default: false
			},
			confirmColor: { // 确定按钮颜色
				type: String,
				default: '' // #1752db
			},
			cancelColor: { // 取消按钮颜色
				type: String,
				default: '' // #757575
			},
			titleColor: { // 标题颜色
				type: String,
				default: '' // #1752db
			},
			currentIcon: { // 展开时候的ic
				type: String,
				default: ''
			},
			defaultIcon: { // 折叠时候的ic
				type: String,
				default: ''
			},
			lastIcon: { // 没有子集的ic
				type: String,
				default: ''
			},
			border: { // 是否有分割线
				type: Boolean,
				default: false
			},
		},
		data() {
			return {
				allArr: [],
				showTree: false,
				treeList: [],
				selectIndex: -1,
				personListArr: [],
				multiples: true, //单选/多选true
				selectParents: true,
				flods: true,
				selectPerson: {},
				selectId: {} //被删除Id
			}
		},
		computed: {},
		components: {
			tkiTrees,
			uniTag
		},
		methods: {
			say() {
				this.personListArr = []
			},
			// tag删除
			setInverted(index) {
				console.log(this.selectPerson[index], index)
				this.selectId = this.selectPerson[index]
				this.selectPerson.splice(index, 1)

				// var str = ""
				// for (var i = 0; i < this.APPlist.length; i++) {

				// 	str += this.APPlist[i] + ","
				// }

				// if (str.length > 0) {
				// 	str = str.substr(0, str.length - 1);
				// }
				// this.totalData.fSampletestpiece = str
			},
			state(a, item) {
				// console.log(a, item)
				let rt = [],
					obj = {};


				// 单选
				obj.parents = item.parents
				obj = Object.assign(obj, item.source);
				// 移除子元素
				delete obj.children;
				rt = [obj];
				this.selectPerson = rt;
				// 单选

				// // 多选
				// // console.log(a)
				// let rt = [],
				// 	obj = {};
				// a.forEach((v, i) => {
				// 	if (a[i].checked) {
				// 		obj = {}
				// 		obj.parents = a[i].parents
				// 		obj = Object.assign(obj, a[i].source)
				// 		// 移除子元素
				// 		delete obj.children
				// 		console.log("obj",obj);
				// 		rt.push(obj)
				// 	}
				// })
				// this.selectPerson = rt;

				// var c = this.allArr.concat(rt)
				// var result = [];
				// var obj1 = {};
				// for (var i = 0; i < c.length; i++) {
				// 	if (!obj1[c[i].fId]) {
				// 		result.push(c[i]);
				// 		obj1[c[i].fId] = true;
				// 	}
				// }
				// this.selectPerson = result;
				// // 多选

				// console.log("selectPerson", this.selectPerson);

			},
			// 取消回调事件树形选择器
			treeCancel(e) {
				this.$refs.tkitree._hide()

			},
			// 确定回调事件
			treeConfirm(e) {

			},
			_show() {
				this.showTree = true
			},
			_hide() {
				this.showTree = false
			},
			_cancel() {
				this._hide()
				this.$emit("cancel", '');
			},
			_confirm() {
				// 处理所选数据
				let rt = [],
					obj = {};
				this.treeList.forEach((v, i) => {
					if (this.treeList[i].checked) {
						obj = {}
						obj.parents = this.treeList[i].parents
						obj = Object.assign(obj, this.treeList[i].source)
						// 移除子元素
						delete obj.childList
						rt.push(obj)
					}
				})
				this._hide()
				// this.$emit("confirm", rt);
				this.$emit("confirm", this.selectPerson);
				// 
			},
			//扁平化树结构
			_renderTreeList(list = [], rank = 0, parentId = [], parents = []) {
				list.forEach(item => {
					this.treeList.push({
						id: item[this.idKey],
						name: item[this.rangeKey],
						source: item,
						parentId, // 父级id数组
						parents, // 父级id数组
						rank, // 层级
						showChild: false, //子级是否显示
						open: false, //是否打开
						show: rank === 0, // 自身是否显示
						hideArr: [],
						orChecked: item.checked ? item.checked : false,
						checked: item.checked ? item.checked : false,
					})
					if (Array.isArray(item.childList) && item.childList.length > 0) {
						let parentid = [...parentId],
							parentArr = [...parents],
							childrenid = [...childrenid];
						delete parentArr.childList
						parentid.push(item[this.idKey]);
						parentArr.push({
							[this.idKey]: item[this.idKey],
							[this.rangeKey]: item[this.rangeKey]
						})
						this._renderTreeList(item.childList, rank + 1, parentid, parentArr);
					} else {
						this.treeList[this.treeList.length - 1].lastRank = true;
					}
				})
			},
			// 处理默认选择
			_defaultSelect() {
				this.treeList.forEach((v, i) => {
					if (v.checked) {
						this.treeList.forEach((v2, i2) => {
							if (v.parentId.toString().indexOf(v2.parentId.toString()) >= 0) {
								v2.show = true
								if (v.parentId.includes(v2.id)) {
									v2.showChild = true;
									v2.open = true;
								}
							}
						})
					}
				})
			},
			// 点击
			_treeItemTap(item, index) {
				this.personListArr = [];
				this.$http.getBaseDepartmentUser({
						fCompanyid: item.source.fCompanyid
					})
					.then((res) => {
						if (res.errcode == 0) {
							res.data.childList[0].personList.map(item => {
								this.personListArr.push({
									fId: item.fUserid,
									fStaffName: item.fRealname
								})
							})
						} else {
							uni.showToast({
								title: "获取人员失败",
								icon: 'none',
								duration: 2000
							});
							return false;
						}
					})
				this.$refs.tkitreeArr._show();
				if (item.lastRank === true) {
					//点击最后一级时触发事件
					this.treeList[index].checked = !this.treeList[index].checked
					this._fixMultiple(index)
					return;
				}
				let list = this.treeList;
				let id = item.id;
				item.showChild = !item.showChild;
				item.open = item.showChild ? true : !item.open;
				list.forEach((childItem, i) => {
					if (item.showChild === false) {
						//隐藏所有子级
						if (!childItem.parentId.includes(id)) {
							return;
						}
						if (!this.foldAll) {
							if (childItem.lastRank !== true && !childItem.open) {
								childItem.showChild = false;
							}
							// 为隐藏的内容添加一个标记
							if (childItem.show) {
								childItem.hideArr[item.rank] = id
							}
						} else {
							if (childItem.lastRank !== true) {
								childItem.showChild = false;
							}
						}
						childItem.show = false;
					} else {
						// 打开子集
						if (childItem.parentId[childItem.parentId.length - 1] === id) {
							childItem.show = true;
						}
						// 打开被隐藏的子集
						if (childItem.parentId.includes(id) && !this.foldAll) {
							if (childItem.hideArr[item.rank] === id) {
								childItem.show = true;
								if (childItem.open && childItem.showChild) {
									childItem.showChild = true
								} else {
									childItem.showChild = false
								}
								childItem.hideArr[item.rank] = null
							}
						}
					}
				})
			},
			_treeItemSelect(item, index) {
				this.treeList[index].checked = !this.treeList[index].checked
				this._fixMultiple(index)
			},
			// 处理单选多选
			_fixMultiple(index) {
				if (!this.multiple) {
					// 如果是单选
					this.treeList.forEach((v, i) => {
						if (i != index) {
							this.treeList[i].checked = false
						} else {
							this.treeList[i].checked = true
						}
					})
				}
			},
			// 重置数据
			_reTreeList() {
				this.treeList.forEach((v, i) => {
					this.treeList[i].checked = v.orChecked
				})
			},
			_initTree(range = this.range) {
				this.treeList = [];
				this._renderTreeList(range);
				this.$nextTick(() => {
					this._defaultSelect(range)
				})
			}
		},
		watch: {
			range(list) {
				this._initTree(list);
			},
			multiple() {
				if (this.range.length) {
					this._reTreeList();
				}
			},
			selectParent() {
				if (this.range.length) {
					this._reTreeList();
				}
			},
			name() {
				this.selectPerson = []
			}
		},

		mounted() {

			this._initTree();
		}
	}
</script>

<style scoped>
	@import "./style.css";

	.tki-tree-view {
		display: flex;
	}
</style>
